浅谈关于spring profile的误解

@Profile({"prod", "unit-test"})

@Profile({"!prod"})

@Profile({"!prod", "!unit-test"})

class ProfileCondition implements Condition {
 
  @Override
  public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
   if (context.getEnvironment() != null) {
     MultiValueMap<String, Object> attrs = metadata.getAllAnnotationAttributes(Profile.class.getName());
     if (attrs != null) {
      for (Object value : attrs.get("value")) {
        if (context.getEnvironment().acceptsProfiles(((String[]) value))) {
         return true;
        }
      }
      return false;
     }
   }
   return true;
  }
 
}

/**
 * Return whether one or more of the given profiles is active or, in the case of no
 * explicit active profiles, whether one or more of the given profiles is included in
 * the set of default profiles. If a profile begins with '!' the logic is inverted,
 * i.e. the method will return true if the given profile is <em>not</em> active.
 * For example, <pre class="code">env.acceptsProfiles("p1", "!p2")</pre> will
 * return {@code true} if profile 'p1' is active or 'p2' is not active.
 * @throws IllegalArgumentException if called with zero arguments
 * or if any profile is {@code null}, empty or whitespace-only
 * @see #getActiveProfiles
 * @see #getDefaultProfiles
 */
boolean acceptsProfiles(String... profiles);

@Override
public boolean acceptsProfiles(String... profiles) {
  Assert.notEmpty(profiles, "Must specify at least one profile");
  for (String profile : profiles) {
   if (StringUtils.hasLength(profile) && profile.charAt(0) == '!') {
     if (!isProfileActive(profile.substring(1))) {
      return true;
     }
   }
   else if (isProfileActive(profile)) {
     return true;
   }
  }
  return false;
}

@Profile({"!prod", "!unit-test"})